Alternative Weed Control Products

Fiesta® & Finalsan®

Landscape Ontario-IPM Symposium

Cam Wilson, Neudorff North America-January 10, 2011

W. Neudorff GmbH KG

•Family owned

•Established in 1854

•Long history of developing

effective pesticides.

•Headquarters in Germany

•170+ employees

•R&D on Vancouver Island

•Focused on organic/natural

pesticides

$1.5M investment in new research facility.

dedicated team of scientists working on low-risk pesticide products (original R&D team from SAFER)

Leaders in developing low risk pesticides for Canada, US and European markets!

•Description

•How it works?

•Features & Benefits

•Recap of 2010

•2010 Test results

•Activities in 2011

Fiesta® & Finalsan®

FIESTA®Lawn Weed Herbicide

Before FIESTA After FIESTA (2 apps, 41 days)

FIESTA-REG. NO. 29535 PCP ACT

Description: Fiesta is a selective herbicide for the control of broadleaf weeds in turf. The active ingredient in Fiesta is iron (present as FeHEDTA) 4.43% .

Use rates: dilute 1 part Fiesta with 24 parts water. Spray 200-400 mls/m2 of solution or 0.74L of Fiesta/1000 sq ft.(200 ml rate). Note: 1L of Fiesta will treat up to 1345 sq ft.

Use sites: lawn & turf, ornamental areas including parks, playgrounds, golf, schools and areas with pesticide bans/concerns.

Approvals: PMRA and Ontario and NS pending.

Available in 10L and 800L sizes.

FIESTAWEEDS CONTROLLED or SUPPRESSED

•dandelion

•English daisy

•false dandelion

•white clover

•black medic

•bull thistle

•Canada thistle

•common chickweed

•creeping buttercup

Not on label: suppression of young crab grass has been observed.

Check label for specifics

•slender speedwell

•broad-leaved plantain

•narrow-leaved plantain

•dovefoot geranium

•Lawn burweed

•moss, liverworts, algae and lichens.

•Iron toxicity (oxidative damage) at the cellular level.

•Fiesta is quickly absorbed by the leaf tissue and

transported down to the root. As well, toxicity of the

contacted leaf tissue cells occurs turning the leaves

black/brown.

•Broadleaf weeds (dicots) absorb more iron than

grasses (monocots) which provides the mechanism of

selectivity.

•Adequate coverage is important.

FIESTA™

How it works?

Substance Oral LD50 (Rat)

(mg/kg body weight)

FeHEDTA >5000

Vinegar 3310

Table Salt 3000

Borax 2400

Lime sulphur 820

Caffeine 192

FIESTA

Toxicity Comparison

Approved for use in Ontario.

Kills a wide range of broadleaf weeds.

works in wide temperature ranges (10C-25C/50F-85F).

Works fast-See results in < 24 hours.

Rain-fast in 3 hours

Stable formula. Will not freeze. No special handing required.

People and pets can re-enter area after spray dries.

FIESTAFeatures & Benefits

FIESTARecap of 2010

Received Ontario approval April 30, 2010.

First FIESTA applied in Ontario 3rd week of May.

Typical rate used was 200 mls of spray/m2 or 18.5 L of

spray/1000 sq ft (0.74 L of Fiesta/1000).

For most large, well established weeds 2 applications 4

weeks apart was needed.

Small amounts of illegal, non-registered (FIESTA knock-off)

product entered market.

Few cases on FIESTA staining wooden fencing and decks.

FIESTAKnock-off Product

•According to the PMRA “it is illegal to distribute, sell or use a

a product for pesticidal purposes unless it is specifically

labeled for such use.”

•FIESTA is the only iron based herbicide registered in

Canada and approved in Ontario to control broadleaf weeds

in turf.

•Use of illegal product could actually void a company’s

liability insurance in case of accidental exposure to workers

and/or customers.

•Neudorff and PMRA staff are tracking/reporting illegal uses.

FIESTA2010 Trial Work

Stain removal trials from overspray.

Control of rust in turf with FIESTA.

Turf safety trials.

Rate reduction trials.

Comparing high and low label rates.

1

1.5

2

2.5

3

Sta

in R

ati

ng

(1

-3)

Douglas fir Larch Oak Untreated Control

Fiesta staining on different wood surfaces

(Stain Rating: 1=no visible stain, 2=noticeable stain, 3=severe stain residues)

Not cleaned 1 Application Deck Cleaner (=oxal acid) 2 Applications Deck Cleaner

FIESTAWood Staining-Removed with Thompson’s Deck Cleaner

Oak

Larch

Douglas Fir

Sprayed with

FIESTA 100 mls/m2Cleaned with 2 tmts of

Thomson’s Deck Cleaner

FIESTA

Wood Staining-Removed with Thompson’s Deck Cleaner

Before cleaning After cleaning

0

0.5

1

1.5

2

Ob

se

rve

d R

us

t D

ise

as

e

(0-2

)

21 28 35

Days After Treatment

Control of rust on greenhouse Kentucky bluegrass with one application of

Fiesta

(Rust Disease: 0=no apparent symptoms, 2=rust readily apparent)

Fiesta 100 ml/m2

Fiesta 200 ml/m2

Fiesta 400 ml/m2

Commercial Std.

Untreated

FIESTARust Control

FIESTA

Goal: to determine the # of apps of FIESTA and timing

between apps to avoid potential turf damage.

•FIESTA applied @ 400 mls/m2

•Kentucky blue, fine fescue and perennial rye tested.

•At 8 apps/season slight thinning of the turf was observed.

Photo: perennial rye after 1 app.

Turf Safety Trials

T urf P erformanc e C harac teris tic s for K entuc ky blueg ras s at G T I (G uelph, ON)

(Vis ual R ating 0-10: 10 = bes t colour, quality or dens ity*)

0

1

2

3

4

5

6

7

8

9

10

C ontrol 4 apps x 3 week

interval

8 apps x 2 week

interval

2 apps s pring, 2

apps fall

3 apps s pring, 3

apps fall

4 apps s pring, 4

apps fall

C ommerc ial

S tandard

Vis

ua

l Ra

tin

g (

0-1

0)

C OL OUR QUAL IT Y DE NS IT Y

*P hytotoxic ity meas ured z ero for all treatments throug hout the trial.

Turf Safety TrialsFIESTA

T urf P erformanc e C harac teris tic s for fine fes c ue at G T I (G uelph)(Vis ual R ating 0-10: 10 = bes t colour, quality or dens ity*)

0

1

2

3

4

5

6

7

8

9

10

C ontrol 4 apps x 3 week

interval

8 apps x 2 week

interval

2 apps s pring, 2

apps fall

3 apps s pring, 3

apps fall

4 apps s pring, 4

apps fall

C ommerc ial

S tandard

Vis

ua

l Ra

tin

g (

0-1

0)

C OL OUR QUAL IT Y DE NS IT Y

*P hytotoxic ity meas ured z ero for all treatments throug hout the trial.

FIESTATurf Safety Trials

T urf P erformanc e C harac teris tic s for perennial ryeg ras s at G T I (G uelph)

(Vis ual R ating 0-10: 10 = bes t quality or dens ity)

0

1

2

3

4

5

6

7

8

9

10

C ontrol 4 apps x 3 week

interval

8 apps x 2 week

interval

2 apps s pring, 2

apps fall

3 apps s pring, 3

apps fall

4 apps s pring, 4

apps fall

C ommerc ial

S tandard

Vis

ua

l Ra

tin

g (

0-1

0)

QUAL IT Y DE NS IT Y

Turf Safety TrialsFIESTA

FIESTA

Goal: to determine if FIESTA rates, less than label rates

could control/suppress small broadleaf weeds (< 10 cm in

diameter).

Note: These sub-label rates are not yet approved by the

PMRA and further testing and approval is required.

Conclusion: 2 apps @ 100 ml/m2 hold promise for the

control of small dandelion, false dandelion and English

daisy.

Rate Reduction Trials

FIESTA

2 apps of 100 ml/m2 24 days

apart controlled small English

Daisy

Vancouver Island 2010

FIESTA

2 apps of 100 ml/m2 24 days

apart controlled small

dandelion

Vancouver Island 2010

Treated June 15 & June 29, read 6 days after 2nd treatment

FIESTA Guelph 2010

FIESTACalifornia 2010

FIESTACalifornia 2010

FIESTA

1

1.5

2

2.5

3

3.5

4

4.5

5

Weed

In

jury

(1-5

)

4 7 14 21 28 35

Days After Treatment

Control of Canada thistle in turf in Olds, Alberta (2010)

Weed Injury Rating 1-5: 1=no visible injury, 5=weed appears dead

Fiesta 200 ml/m2

Fiesta 400 ml/m2

Killex

Control

2nd app

Olds, Alberta 2010

FIESTA

2nd app

California 2010

Activities in 2011

FIESTA

Building FIESTA inventory for early order program.

Will attempt to revise label to include lower rates.

Stop the illegal knock-off products that compete with Fiesta.

Further staining studies on common fencing/deck materials.

Review supply chain to reduce Fiesta costs.

Further trial work to expand weeds on label.

FINALSAN®

Grass & Weed Killer

untreated 24 hours after Finalsan

Description: FINALSAN is a non-selective/burn-down herbicide for the control of grass, weeds, moss & algae . The active ingredient is ammonium soaps of fatty acids 22.10%

Use rates:

Grass/weeds: dilute 1 part Finalsan with 5 parts water and spray 100-200 mls/m2 (1L of Finalsan will treat ~650 sq. ft.).

Moss/algae: dilute 1 part Finalsan with 19 parts water and spray 100-500 mls/m2 (1L of Finalsan will treat ~2,150 sq. ft.).

Use sites:around and within gardens, landscaped, around buildings and areas with pesticide bans/concerns. Also controls moss & algae on roofs, decks, fences, walks, driveways and sidings.

Approvals: PMRA and Ontario. Most provinces/municipalities.

Available in 5L & 10L sizes.

FINALSAN -REG. NO. 29017 PCP ACT

FINALSANFeatures & Benefits

Approved for use in Ontario.

biodegradable

Kills/suppresses most vegetation.

Works fast-kills within hours.

Areas can be re-sown 5 days after treatment.

works in wide temperature ranges (10C or higher).

Rain-fast in 3 hours

Non-staining

Non-corrosive

FINALSANCross section of leaf surface “Within minutes

Finalsan breaks

down the waxy

surfaces of leaf

cells causing wilt

and eventually cell

death.”

After 24 hours

Mode of Action

FINALSAN

Acetic acid std.

Germany 2008

FINALSAN

EcoClear is CAUTION/DANGER signal words

FINALSAN is Warning only.

Vancouver Island 2008

FINALSAN

Finalsan does not stain

Vancouver Island 2000

FINALSANVancouver Island 2000

FINALSAN California 2010

FINALSANCalifornia 2010

Fiesta® & Finalsan®

•Approved for use within Ontario ban.

•Proven effective.

•Fast acting-see results in hours.

•Rain-fast in 3 hours.

•Work in cool and warm weather.

Thanks!

Landscape Ontario

Guelph Turfgrass Institute

Our distributors

Most importantly the end-users!